Update,Cancel - You can save or discard changes by click toolbar Update and Cancel button respectively

DEMO

SOURCE

The Grid supports CRUD operations. This CRUD operations can be configured in Grid using
EditSettings. Also, it has different modes to manipulate the datasource.

The available modes are,

Inline

Dialog

Batch

In this demo, Dialog mode is enabled for editing by defining
EditSettings.Mode as Dialog. You can start editing by double clicking a row or clicking on toolbar's Edit
button, then the currently selected row will be shown on a dialog and you can change the row values and save edited data to the datasource.